Barbecue thermometer



FIG. 1 is a front view of a barbecue thermometer, showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a back perspective thereof.

The broken line showing of the barbecue thermometer is for the purpose of illustrating unclaimed portions of the barbecue thermometer and forms no part of the claimed design. 

CLAIM The ornamental design for a barbecue thermometer, as shown and described. 